"Excellent Barrel. Comes Pre-Assembled and definitely improves accuracy without a doubt. The noticeable accuracy at that. It's almost unbeatable for a pistol. So much my friend bought one for his too after using mine. Dont hesitate on this purchase.

by Phillip C. on 07/13/2015

"A little bit pricey but a great upgrade to get if you can afford it.

by elisa l. on 06/25/2015

"This is the tightbore barrel you should go for KWA USP (in my case, it also fits the KWA HK45). I know it is expensive, but it is worth every penny! Trust me, it will put a smile on your face, coz with this barrel you could shoot 25ft down range and hit bullseye multiple time (I use KWA perfect BB's).

Pros:
- EXTREMELY accurate! (sniper handgun!)
- No modifications needed, just take your old one out and replace it with this one

Cons:
- your original hop up adjuster tool does not fit this barrel, but this doesn't affect performance, you just need to use your hand to adjust the hop up.

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